10 entries of Hancockite Mineral Gallery
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Hancockite
from Parker Shaft, Franklin, Sussex County, New Jersey (Type Locality for Hancockite)
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Hancockite
from Franklin Mining District, Sussex County, New Jersey (Type Locality for Hancockite)
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Hancockite
from Franklin Mining District, Sussex County, New Jersey (Type Locality for Hancockite)
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Hancockite
from Franklin Mining District, Sussex County,, New Jersey (Type Locality for Hancockite)
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Hancockite and Axinite
from Franklin Mining District, Sussex County, New Jersey (Type Locality for Hancockite)
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